/*!
 * Bootstrap v4.0.0 (https://getbootstrap.com)
 * Copyright 2011-2018 The Bootstrap Authors
 * Copyright 2011-2018 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
:root {
  --blue: #007bff;
  --indigo: #6610f2;
  --purple: #6f42c1;
  --pink: #e83e8c;
  --red: #dc3545;
  --orange: #fd7e14;
  --yellow: #ffc107;
  --green: #28a745;
  --teal: #20c997;
  --cyan: #17a2b8;
  --white: #fff;
  --gray: #6c757d;
  --gray-dark: #343a40;
  --primary: #007bff;
  --secondary: #6c757d;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*,
*::before,
*::after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -ms-overflow-style: scrollbar;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

@-ms-viewport {
  width: device-width;
}

footer, header {
  display: block;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
  background-color: #fff;
}

hr {
  -webkit-box-sizing: content-box;
          box-sizing: content-box;
  height: 0;
  overflow: visible;
}

h1, h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul {
  margin-top: 0;
  margin-bottom: 1rem;
}

strong {
  font-weight: bolder;
}

a {
  text-decoration: none;
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}

a:hover {
  text-decoration: underline;
}

img {
  vertical-align: middle;
  border-style: none;
}

::-webkit-file-upload-button {
  font: inherit;
  -webkit-appearance: button;
}

h1, h2 {
  margin-bottom: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.2;
  color: inherit;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

hr {
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.img-fluid {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.container-fluid {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col-4, .col-10, .col-12, .col-md-6, .col-lg-5, .col-lg-6 {
  position: relative;
  width: 100%;
  min-height: 1px;
  padding-right: 15px;
  padding-left: 15px;
}

.col-4 {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 33.33333%;
          flex: 0 0 33.33333%;
  max-width: 33.33333%;
}

.col-10 {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 83.33333%;
          flex: 0 0 83.33333%;
  max-width: 83.33333%;
}

.col-12 {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 100%;
          flex: 0 0 100%;
  max-width: 100%;
}

.offset-1 {
  margin-left: 8.33333%;
}

@media (min-width: 768px) {
  .col-md-6 {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 50%;
            flex: 0 0 50%;
    max-width: 50%;
  }
  .offset-md-0 {
    margin-left: 0;
  }
}

@media (min-width: 992px) {
  .col-lg-5 {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 41.66667%;
            flex: 0 0 41.66667%;
    max-width: 41.66667%;
  }
  .col-lg-6 {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 50%;
            flex: 0 0 50%;
    max-width: 50%;
  }
  .offset-lg-1 {
    margin-left: 8.33333%;
  }
}

.btn:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.d-none {
  display: none !important;
}

.d-flex {
  display: -webkit-box !important;
  display: -ms-flexbox !important;
  display: flex !important;
}

.justify-content-start {
  -webkit-box-pack: start !important;
      -ms-flex-pack: start !important;
          justify-content: flex-start !important;
}

.justify-content-end {
  -webkit-box-pack: end !important;
      -ms-flex-pack: end !important;
          justify-content: flex-end !important;
}

.justify-content-center {
  -webkit-box-pack: center !important;
      -ms-flex-pack: center !important;
          justify-content: center !important;
}

.align-self-center {
  -ms-flex-item-align: center !important;
      -ms-grid-row-align: center !important;
      align-self: center !important;
}

.text-center {
  text-align: center !important;
}

.invisible {
  visibility: hidden !important;
}

@media print {
  *,
  *::before,
  *::after {
    text-shadow: none !important;
    -webkit-box-shadow: none !important;
            box-shadow: none !important;
  }
  a:not(.btn) {
    text-decoration: underline;
  }
  img {
    page-break-inside: avoid;
  }
  p,
  h2 {
    orphans: 3;
    widows: 3;
  }
  h2 {
    page-break-after: avoid;
  }
  @page {
    size: a3;
  }
  body {
    min-width: 992px !important;
  }
  .container {
    min-width: 992px !important;
  }
}

body, div, h1, h2, p, a, img, strong, ul, li, footer, header {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  line-height: 1;
}

*, *:before, *:after {
  -webkit-box-sizing: inherit;
          box-sizing: inherit;
  color: #000;
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 100;
  outline: none;
}

footer, header {
  display: block;
}

body {
  line-height: 1;
  overflow: auto;
}

ul {
  list-style: none;
}

h1,
h2 {
  font-size: 32px;
}

@media (min-width: 768px) {
  h1,
  h2 {
    font-size: 40px;
  }
}

@media (min-width: 992px) {
  h1,
  h2 {
    font-size: 50px;
  }
}

p,
ul.navigation li {
  font-size: 18px;
}

@media (min-width: 768px) {
  p,
  ul.navigation li {
    font-size: 19px;
  }
}

@media (min-width: 992px) {
  p,
  ul.navigation li {
    font-size: 20px;
  }
}

p {
  line-height: 1.3;
}

header {
  z-index: 10;
  position: fixed;
  background-color: white;
  top: 0;
  right: 0;
  left: 0;
}

header .row {
  height: 80px;
}

header .header-image {
  display: inline-block;
  height: 12px;
  width: auto;
  margin: 3px 0;
}

@media (min-width: 768px) {
  header .header-image {
    height: 13px;
  }
}

@media (min-width: 992px) {
  header .header-image {
    height: 15px;
  }
}

header .header-image:first-of-type {
  padding-right: 15px;
}

.background {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100vh;
  width: 100vw;
  z-index: -10;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.background.preload {
  z-index: -20;
}

.background.home {
  background-image: url("../images/backgroundimages/home.jpg");
}

.background.about {
  background-image: url("../images/backgroundimages/about.jpg");
}

.background.imprint, .background.projects {
  background: #eee;
}

.background.contact {
  background-image: url("../images/backgroundimages/contact.jpg");
}

.main {
  overflow-x: hidden;
}

.main .container {
  -webkit-transition: opacity 0.3s linear;
  transition: opacity 0.3s linear;
  opacity: 1;
  padding-top: 80px;
  padding-bottom: 180px;
}

@media (min-width: 768px) {
  .main .container {
    padding-bottom: 70px;
  }
}

.main .container.hidden {
  -webkit-transition: opacity 0.3s linear;
  transition: opacity 0.3s linear;
  opacity: 0;
  height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

.main .content-one {
  margin-top: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  height: 180px;
}

@media (min-width: 768px) {
  .main .content-one {
    margin-top: 80px;
    height: 210px;
  }
}

.main .content-one h1,
.main .content-one h2,
.main .content-one p {
  background: #000;
  margin: 0 0 4px;
  color: #fff;
}

.main .content-one h1,
.main .content-one h2 {
  padding: 5px 10px;
  font-weight: 100;
  text-transform: uppercase;
}

.main .content-one p {
  padding: 2px 10px;
}

.main .content-two {
  margin-top: 10px;
}

@media (min-width: 768px) {
  .main .content-two {
    margin-top: 40px;
  }
}

.main .content-two ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}

.main .content-two ul li {
  padding: 2px 10px;
  background: white;
  margin: 0 0 4px;
  cursor: pointer;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

.main .content-two ul li:hover {
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}

.main .content-two ul li.invisible {
  visibility: hidden;
}

.main .content-three {
  margin-top: 40px;
}

.main .content-three p {
  background: #fff;
  padding: 10px;
  padding: 10px;
}

.main .content-three a {
  color: #000;
}

.main .content-four {
  margin-top: 40px;
}

@media (min-width: 768px) {
  .main .content-four {
    margin-top: 124px;
  }
}

@media (min-width: 992px) {
  .main .content-four {
    margin-top: 116px;
  }
}

.main .content-four .image-wrapper {
  position: relative;
  line-height: 0;
  margin-top: 5px;
}

@media (min-width: 768px) {
  .main .content-four .image-wrapper {
    margin-top: 10px;
  }
}

@media (min-width: 992px) {
  .main .content-four .image-wrapper {
    margin-top: 28px;
  }
}

.main .content-four .image-wrapper:hover .info-wrapper {
  display: block;
  height: 100%;
  opacity: 1;
  -webkit-transition: all 0.5s linear;
  transition: all 0.5s linear;
  top: 0;
  bottom: 0;
}

.main .content-four .image-wrapper:hover .info-wrapper hr {
  width: 70%;
  -webkit-transition: all 0.4s linear 0.2s;
  transition: all 0.4s linear 0.2s;
}

.main .content-four .image-wrapper .info-wrapper {
  padding: 20px;
  z-index: 5;
  position: absolute;
  top: 50%;
  bottom: 50%;
  right: 0;
  left: 0;
  height: 0;
  width: 100%;
  display: none;
  opacity: 0;
  background: rgba(0, 0, 0, 0.6);
  -webkit-transition: all 0.5s linear;
  transition: all 0.5s linear;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.main .content-four .image-wrapper .info-wrapper p.info {
  color: #fff !important;
}

.main .content-four .image-wrapper .info-wrapper hr {
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  width: 0;
  margin: 0 auto;
  -webkit-transition: all 0.25s linear;
  transition: all 0.25s linear;
}

.main .home.container {
  padding-bottom: 0;
}

.main .contact .content-three a {
  font-size: 22px;
  text-decoration: none;
  color: #000;
  background-color: #fff;
  padding: 10px 20px;
  text-transform: uppercase;
  display: inline-block;
}

@media (min-width: 768px) {
  .main .contact .content-three {
    font-size: 33px;
  }
}

@media (min-width: 992px) {
  .main .contact .content-three {
    font-size: 44px;
  }
}

@media (min-width: 768px) {
  .main .about .content-three {
    margin-top: 330px;
  }
}

footer {
  position: fixed;
  z-index: 10;
  right: 0;
  bottom: 0;
  left: 0;
  background: #fff;
}

footer .row {
  height: 50px;
}

footer .language-switch li {
  cursor: pointer;
}

footer .language-switch li:first-child {
  margin-right: 5px;
}

footer .further-infos li a {
  color: #000;
}

footer .further-infos li a:hover {
  text-decoration: none;
}

footer .imprint li {
  font-size: 16px;
  color: #4A4A4A;
  cursor: pointer;
}

.scroll-back-to-top-wrapper {
  z-index: 50;
  position: fixed;
  width: 100%;
  bottom: 60px;
  pointer-events: none;
}

.scroll-back-to-top-wrapper .scroll-back-to-top {
  display: none;
  width: 50px;
  height: 50px;
  background-color: #fff;
  border: 2px solid #000;
  border-radius: 50%;
  margin: 0 auto;
  position: relative;
  visibility: hidden;
  -webkit-transition: all 0.3s linear;
  transition: all 0.3s linear;
}

.scroll-back-to-top-wrapper .scroll-back-to-top:after {
  position: absolute;
  top: 18px;
  left: 13px;
  content: '';
  border-top: 2px solid #000;
  border-left: 2px solid #000;
  width: 20px;
  height: 20px;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}


.scroll-back-to-top-wrapper .scroll-back-to-top.active {
  display: block;
  visibility: visible;
  -webkit-transition: all 0.3s linear;
  transition: all 0.3s linear;
  pointer-events: all;
  opacity: 0.5;
  bottom: 0;
  -webkit-animation-name: showBackToTopButton;
          animation-name: showBackToTopButton;
  -webkit-animation-duration: 4s;
          animation-duration: 4s;
  -webkit-animation-timing-function: ease-in-out;
          animation-timing-function: ease-in-out;
}

@-webkit-keyframes showBackToTopButton {
  0% {
    bottom: 5px;
    opacity: 1;
  }
  10% {
    bottom: 0px;
  }
  20% {
    bottom: 5px;
  }
  30% {
    bottom: 0px;
  }
  40% {
    bottom: 5px;
  }
  50% {
    bottom: 0px;
  }
  100% {
    opacity: 0.5;
  }
}

@keyframes showBackToTopButton {
  0% {
    bottom: 5px;
    opacity: 1;
  }
  10% {
    bottom: 0px;
  }
  20% {
    bottom: 5px;
  }
  30% {
    bottom: 0px;
  }
  40% {
    bottom: 5px;
  }
  50% {
    bottom: 0px;
  }
  100% {
    opacity: 0.5;
  }
}